Light

Question 1

Definition of reflection
2 characteristics of mirror images

Answer 1

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Question 2

Definition of the 2 rays and angles

Answer 2

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Question 3

The law of reflection
4 characteristics of images formed by a plane mirror

Answer 3

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Question 4

Definition of refraction

Answer 4

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Question 5

Definitions and formulas for refractive index(2)

Answer 5

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Question 6

Relationship btn sin i and sin r

Answer 6

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Question 7

Definition of critical angle, 2 effects, reasons for no refraction

Answer 7

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Question 8

Formula for critical angle

Answer 8

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Question 9

Definition of TIR
2 conditions

Answer 9

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Question 10

3 uses of T.I.R

Answer 10

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Question 11

3 characteristics of images formed by a convex lens

Answer 11

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Question 12

Formula for magnification, magnification of ……

Answer 12

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Question 13

Characteristics of image formed on magnifying glass

Answer 13

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Question 14

Definition of deviation and dispersion

Answer 14

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Question 15

Parts of the electromagnetic spectrum

Answer 15

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Question 16

4 properties of electromagnetic waves

Answer 16

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Question 17

Electromagnetic spectrum, uses of the rays

Answer 17

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Question 18

Dangers of x-rays, gamma rays, ultra-violet radiation, radio waves, microwaves, infrared.

Answer 18

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Question 19

Define a focal length, principal focus

Answer 19

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Question 20

What is a real image

Answer 20

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